Lithium battery capacity grading detector

By combining the L-shaped rod with the pull-out tube and designing the displacement component, the error problem caused by the electrolyte mixing reaction during the measurement process of the lithium battery capacity testing machine is solved, realizing rapid separation and accurate measurement, and improving the stability and safety of the testing machine.

CN223770355UActive Publication Date: 2026-01-06GUANGXI YIJIAN SMART INFORMATION TECHNOLOGY CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520287441.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-22
Publication Date
2026-01-06
Estimated Expiration
2035-02-22

AI Technical Summary

Technical Problem

Existing lithium battery capacity testing machines are prone to electrolyte mixing and reaction due to lithium battery leakage during the measurement process, resulting in measurement errors, and it is difficult to effectively separate the components to reduce errors.

Method used

The combination structure of L-shaped rod and pull-out cylinder, along with the design of displacement component and rocker arm, enables flexible disassembly of the testing machine. The displacement distance can be adjusted by the amount of electrolyte accumulation, and the electrolyte can be quickly discharged to reduce measurement errors.

Benefits of technology

It effectively reduces the error in lithium battery capacity measurement, improves measurement accuracy, avoids electrolyte contamination, and ensures the stability and safety of the testing machine.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223770355U_ABST
    Figure CN223770355U_ABST
Patent Text Reader

Abstract

The utility model provides a lithium battery capacity grading detection machine, which belongs to the technical field of lithium battery capacity grading and comprises a detection machine, an L-shaped rod is arranged on the side surface of the detection machine, a drawing cylinder is mounted on the inner side of the L-shaped rod, an outer cylinder is in sliding fit with the end surface of the drawing cylinder, a shifting part is arranged on the outer cylinder in a matched manner, and the shifting part comprises a base plate. The base plate is provided with an inserting shaft, the outer surface of the inserting shaft is rotationally sleeved with a swing arm, a positioning shaft rod is installed at the position, away from the inner side of the inserting shaft, of the swing arm, the outer surface of the positioning shaft rod is rotationally sleeved with a connecting rod, and a shifting sliding rod is installed on the end face of the connecting rod. The push-pull cylinder can help the detection machine to be flexibly disassembled, so that electrolyte accumulated in the detection machine flows out, meanwhile, the outer cylinder is matched with the displacement part, displacement disassembly of the detection machine can be more flexible, the displacement distance is adjusted according to the accumulation amount of the electrolyte, and the electrolyte is rapidly discharged as much as possible.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to lithium battery capacity grading technical field, concretely relates to a lithium battery capacity grading detection machine. BACKGROUND

[0002] Lithium battery capacity grading detection equipment is a kind of equipment that can select lithium battery capacity and performance, since the capacity of lithium battery is different when producing, through capacity grading detection equipment, it can decompose the capacity of lithium battery, and the lithium battery with capacity meeting or greater than standard is qualified battery, and the lithium battery with capacity less than standard capacity cannot guarantee service life and performance, and will be eliminated as unqualified battery.

[0003] In prior art, such as application number: 202222191953.3, a kind of lithium battery capacity grading detection machine, including equipment main body, upper clamping plate, lower clamping plate plug-in interface and plug, equipment main body front side one end is equipped with switch, upper clamping plate and lower clamping plate are arranged in equipment main body front side, upper clamping plate front side is equipped with several indicator lights, lower clamping plate upper end is fixed with several thimbles, lower clamping plate front side is fixed with several fixed blocks, plug-in interface is movably connected in fixed block, plug-in interface side edge is movably connected with buckle, fixed block is equipped with the limiting rod that can be moved to the plug-in interface limiting.

[0004] In the above, through the cooperation of buckle and fixed block, the plug can be stably inserted, which greatly facilitates the stable use of capacity grading machine, but after reading the technical scheme, it is known that capacity grading machine needs to charge and discharge lithium battery and record resistance, voltage and other measurements, in actual measurement, lithium battery leakage and damage occur from time to time, the capacity grading machine in the scheme is fixed volume, which may cause mixing reaction of electrolyte in battery, and further cause measurement error of other lithium batteries, so the capacity grading machine needs to be split, electrolyte drainage is needed to help reduce measurement error. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of lithium battery capacity grading detection machine, to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: including detection machine, the side of the detection machine is provided with L-shaped rod, the inner side of the L-shaped rod is installed with pull-out cylinder, the end surface of the pull-out cylinder is slidably connected with outer cylinder, the outer cylinder is matched and is provided with displacement piece, the displacement piece includes base plate, the upper surface of the base plate is adaptively installed with ear plate, the inner side of the ear plate is installed with plug shaft, the outer surface of the plug shaft is rotatably sleeved with swing arm, the inner side of the swing arm away from plug shaft is installed with positioning shaft rod, the outer surface of the positioning shaft rod is rotatably sleeved with connecting rod, the end surface of the connecting rod is installed with displacement slide rod, and the height of the connecting rod is lower than the height of swing arm.

[0007] As a preferred scheme of the utility model, the surface of the displacement slide rod is matched with an adapter seat, the lower surface of the adapter seat is fixed with the base plate, the end surface of the insertion shaft is sleeved with a fastening screw, and the mounting mode of the fastening screw is symmetrical assembly.

[0008] As a preferred scheme of the utility model, the end surface of the displacement slide rod is matched with a positioning stud, an arcuate block is matched and mounted on one side of the positioning stud, and the bottom of the arcuate block is mounted with the outer cylinder.

[0009] As a preferred scheme of the utility model, the lower surface of the base plate is mounted with a bottom column, and one side of the bottom column is detachably mounted with the outer cylinder.

[0010] As a preferred scheme of the utility model, the number of the ear plates is two, and the two ear plates are arranged on both sides of the insertion shaft.

[0011] As a preferred scheme of the utility model, the inner cavity of the outer cylinder is provided with guide strips, the number of the guide strips is several, and the inner sides of the guide strips are matched with the pull-out cylinder.

[0012] As a preferred scheme of the utility model, an inclination angle is arranged between the connecting rod and the swinging arm, and the inclination angle is an acute angle.

[0013] As a preferred scheme of the utility model, the swinging arm is an integrally formed plate with an arc, and a through groove is formed in the surface of the swinging arm.

[0014] Compared with the prior art, the utility model has the beneficial effects that: through the mounting and matching of the L-shaped rod and the pull-out cylinder, the pull-out cylinder can help the detection machine to be flexibly split, so that the electrolyte accumulated in the inside thereof can flow out, meanwhile, through the matching of the outer cylinder and the displacement piece, the displacement split of the detection machine can be more flexible, the displacement distance is adjusted according to the accumulation amount of the electrolyte, the electrolyte can be discharged as quickly as possible, the error of lithium battery measurement and distribution is reduced, and through the rotating matching of the ear plate, the insertion shaft and the swinging arm, the swinging arm can be rotated at a fixed point, so that the connecting rod can be driven, and finally the displacement slide rod can realize the displacement pulling effect, the split degree of the detection machine can be adjusted according to the actual situation, and the electrolyte accumulated in the inside can fall from the split part. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without paying creative labor.

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the structure schematic view of the utility model related parts for realizing displacement adjustment effect of detection machine;

[0018] Figure 3 It is the utility model Figure 2 The local enlarged schematic view of A in the utility model;

[0019] Figure 4 It is the structure schematic view of the utility model related parts for realizing displacement effect of connecting rod transmission;

[0020] Figure 5 It is the overhead schematic view of all parts in the utility model.

[0021] In the drawing: 1, detection machine; 2, L-shaped rod; 3, pull-out cylinder; 4, guide strip; 5, outer cylinder; 6, displacement piece; 61, base plate; 62, ear plate; 63, plug shaft; 64, fastening screw; 65, swinging arm; 66, positioning shaft; 67, connecting rod; 68, displacement slide; 69, adaptive seat; 7, alignment stud; 8, arched block; 9, bottom column. DETAILED DESCRIPTION

[0022] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely explained in combination with the drawings in the embodiments of the utility model below, obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0023] The embodiments of the utility model provide a lithium battery capacity detection machine, including detection machine 1, for example, as Figures 1-3 Indicated.

[0024] The side of detection machine 1 is provided with L-shaped rod 2, the inner side of L-shaped rod 2 is installed with pull-out cylinder 3, the end surface of pull-out cylinder 3 is slidably fitted with outer cylinder 5, outer cylinder 5 is fitted with displacement piece 6, displacement piece 6 includes base plate 61, the upper surface of base plate 61 is adaptively installed with ear plate 62, the inner side of ear plate 62 is installed with plug shaft 63, the outer surface of plug shaft 63 is rotatably sleeved with swinging arm 65, the inner side position of swinging arm 65 away from plug shaft 63 is installed with positioning shaft 66, the outer surface of positioning shaft 66 is rotatably sleeved with connecting rod 67, the end surface of connecting rod 67 is installed with displacement slide 68, and the height of connecting rod 67 is lower than the height of swinging arm 65.

[0025] The surface of the displacement slide rod 68 is slidably fitted with an adapter seat 69, the lower surface of the adapter seat 69 is fixed with the base plate 61, the end surface of the insertion shaft 63 is sleeved with a fastening screw 64, and the fastening screw 64 is symmetrically assembled.

[0026] The end surface of the displacement slide rod 68 is fitted with a positioning stud 7, one side of the positioning stud 7 is fitted with an arcuate block 8, and the bottom of the arcuate block 8 is mounted with the outer cylinder 5.

[0027] Specifically, through the mounting and cooperation of the L-shaped rod 2 and the pull cylinder 3, the pull cylinder 3 can help the detection machine 1 to be flexibly disassembled, and then the accumulated electrolyte inside can flow out, and the cooperation of the outer cylinder 5 and the displacement part 6 can make the displacement disassembly of the detection machine 1 more flexible, and the displacement distance can be adjusted according to the accumulation amount of the electrolyte, so that the electrolyte can be discharged as quickly as possible, the error of lithium battery measurement and distribution is reduced, and through the rotating cooperation of the lug plate 62, the insertion shaft 63 and the rocking arm 65, the rocking arm 65 can be rotated at a fixed point, so that the connecting rod 67 can be transmitted, and finally the displacement slide rod 68 realizes the effect of displacement and pulling, and the disassembly of the detection machine 1 can be adjusted according to the actual situation, and the accumulated electrolyte inside can fall down after disassembly, avoiding continuous pollution of the inner cavity of the detection machine 1;

[0028] Through the setting of the adapter seat 69, the displacement of the displacement slide rod 68 can be stably supported, the shaking of the displacement slide rod 68 can be reduced, the disassembly of the detection machine 1 also remains stable, the electrolyte cannot splash and fall, the safety of the electrolyte falling is improved, the symmetric assembly of the fastening screw 64 makes the two ends of the insertion shaft 63 remain fastened, and the rocking arm 65 cannot be rotated and separated, and the setting of the positioning stud 7 and the arcuate block 8 can lock the displacement slide rod 68 according to the actual situation, and the lithium battery can realize the function of batch / quantitative distribution.

[0029] The lower surface of the base plate 61 is mounted with a bottom column 9; as shown in the example, Figures 2-4 .

[0030] One side of the bottom column 9 is detachable with the outer cylinder 5.

[0031] The number of the lug plate 62 is two, and the two lug plates 62 are respectively arranged on both sides of the insertion shaft 63.

[0032] The inner cavity of the outer cylinder 5 is provided with a guide strip 4, the number of the guide strip 4 is several, and the inner side of the guide strip 4 is matched with the pull cylinder 3.

[0033] Specifically, by the disassembly of the bottom column 9 and the outer cylinder 5, the outer cylinder 5 can be accommodated inside the bottom column 9, avoiding the outer cylinder 5 from touching the detection machine 1 and causing damage, and the setting of the guide bars 4 enables the pull-out cylinder 3 to be smoothly returned to the inner cavity of the outer cylinder 5, and the plurality of guide bars 4 can also form the effect of a damper, providing support for the accommodation of the pull-out cylinder 3.

[0034] An inclination angle is arranged between the connecting rod 67 and the swinging arm 65; for example, as shown in the figure. Figures 3-5

[0035] The inclination angle is an acute angle.

[0036] The swinging arm 65 is an integrally formed plate with an arc, and a through groove is arranged on the surface of the swinging arm 65.

[0037] Specifically, by arranging the acute angle between the connecting rod 67 and the swinging arm 65, the angle rotation of the swinging arm 65 and the transmission of the connecting rod 67 are independent of each other, the disassembly of the detection machine 1 is more efficient, and the electrolyte is discharged faster. At the same time, the through groove arranged on the surface of the swinging arm 65 enables the pressing to be more labor-saving, saving time.

[0038] Working principle: first, connect the L-shaped rod 2 with the side of the detection machine 1, then press the swinging arm 65 in the displacement piece 6, under the support of the plug shaft 63, the swinging arm 65 rotates around the plug shaft 63, then in the process of rotation of the swinging arm 65, the connecting rod 67 connected thereto rotates synchronously, one end of the connecting rod 67 drives the displacement slide rod 68 to move, and then the adapter seat 69 limits the displacement slide rod 68 to help it realize horizontal displacement.

[0039] After that, the alignment stud 7, the arched block 8 and the outer cylinder 5 arranged on the side surface of the displacement slide rod 68 are displaced synchronously with the displacement slide rod 68, then causing the outer cylinder 5 to be separated from the bottom column 9, with the continuous pressing of the swinging arm 65, the degree of separation of the outer cylinder 5 is more obvious, the contact surface between the guide bar 4 and the outer cylinder 5 is smaller, and finally causing the relative displacement of the pull-out cylinder 3, the detection machine 1 is disassembled, and the outflow of the internal electrolyte is facilitated.

[0040] ​It is important to note that the construction and arrangements of the application shown in the various exemplary embodiments are illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications can be made to the embodiments without departing from the novel teachings and advantages of the subject matter described herein (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, locations, and the like). For example, the elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be modified or changed. Thus, all such modifications are intended to be included within the scope of the present inventive subject matter. The order or sequence of any process or method steps can be varied or re-sequenced without departing from the subject matter described herein. Any "open / closed" claims are intended to encompass the structure described herein, and not just the structure equivalent, but also the equivalent structure. Other substitutions, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventive subject matter. Accordingly, the present inventive subject matter is not limited to particular embodiments described, but extends to various modifications that nevertheless fall within the scope of the appended claims.

[0041] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of an actual implementation can be described (i.e., those pertaining to the

[0042] It is to be understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts can inevitably lead to a number of substitutions, modifications, changes and omissions of parts illustrated as having a specific configuration. Such are the natural consequences of design choices and manufacturing practices, and are to be expected by those skilled in the art. Accordingly, the scope of the present inventive subject matter is to be indicated solely by the appended claims, rather than the examples described herein, giving all due scope to the interdependence of the various claims attaching to and forming a part of the same.

[0043] It should be noted that the above examples are intended to be illustrative only and not limiting of the present inventive subject matter. Although the present inventive subject matter has been described in detail with reference to particular embodiments, it will be understood that various modifications can be made without departing from the spirit of the present inventive subject matter, and that such modifications are intended to be included within the scope of the present inventive subject matter. Accordingly, the present inventive subject matter is not limited to particular embodiments described, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Claims

1. A lithium battery capacity detection machine, characterized in that: Including detection machine (1), the side of detection machine (1) is provided with L-shaped rod (2), the inner side of L-shaped rod (2) is installed with pull cylinder (3), the end surface of pull cylinder (3) is slidably fitted with outer cylinder (5), outer cylinder (5) is fitted with displacement piece (6), displacement piece (6) includes base plate (61), the upper surface of base plate (61) is fitted with ear plate (62), the inner side of ear plate (62) is installed with plug shaft (63) through, the outer surface of plug shaft (63) is rotatably sleeved with swing arm (65), the inner side of swing arm (65) away from plug shaft (63) is installed with positioning shaft rod (66), the outer surface of positioning shaft rod (66) is rotatably sleeved with connecting rod (67), connecting rod (67) is installed with displacement slide rod (68) at the end surface, and the setting height of connecting rod (67) is lower than the setting height of swing arm (65).

2. The lithium battery capacity detection machine according to claim 1, characterized in that: The surface of displacement slide rod (68) is slidably fitted with adapter seat (69), the lower surface of adapter seat (69) is fixed with base plate (61), the end surface of plug shaft (63) is sleeved with fastening screw (64), and the mounting mode of fastening screw (64) is symmetric assembly.

3. The lithium battery capacity detection machine according to claim 2, characterized in that: The end surface of displacement slide rod (68) is fitted with alignment stud (7), one side of alignment stud (7) is fitted with arcuate block (8), and the bottom of arcuate block (8) is installed with outer cylinder (5).

4. The lithium battery capacity detection machine according to claim 1, characterized in that: The lower surface of base plate (61) is installed with bottom column (9), one side of bottom column (9) is detachable with outer cylinder (5).

5. The lithium battery capacity detection machine according to claim 1, characterized in that: The number of ear plate (62) is two, and two ear plates (62) are respectively arranged on both sides of plug shaft (63).

6. The lithium battery capacity detection machine according to claim 1, characterized in that: The inner cavity of outer cylinder (5) is provided with guide strip (4), the number of guide strip (4) is several, and the inner side of several guide strips (4) is fitted with pull cylinder (3).

7. The lithium battery capacity detection machine according to claim 1, characterized in that: An inclination angle is arranged between connecting rod (67) and swing arm (65), and the inclination angle is acute.

8. The lithium battery capacity detection machine according to claim 7, characterized in that: Swing arm (65) is an integral forming plate with curvature, and the surface of swing arm (65) is provided with through groove.

Citation Information

Patent Citations

  • Lithium battery capacity grading detector

    CN218213349U