Novel battery aging test device

Abstract

The utility model discloses a novel battery aging test device, which belongs to the technical field of battery testing and comprises a detection assembly, a first electrode assembly, a second electrode assembly, a limiting assembly, a plurality of positioning assemblies, a driving assembly, a guide assembly and four connecting rods. The plurality of wires are divided into an upper row and a lower row, the first electrode assembly comprises a first circuit board and a plurality of cathodes, and the plurality of cathodes are connected in the first circuit board; according to the utility model, a plurality of batteries are sequentially placed in the plurality of placing holes, the motor is controlled, the batteries are positioned to positions coaxial with the placing holes, and the top ends and the bottom ends of the plurality of batteries are respectively contacted with the positive electrode and the negative electrode; the working detection module respectively tests the aging states of the plurality of batteries through the first electrode assembly and the second electrode assembly, so that the plurality of batteries can be rapidly and accurately fixed to the to-be-detected position and synchronously and smoothly detected, and the operation is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery testing, and in particular relates to a novel battery aging testing device. Background Art

[0002] In view of the single evaluation index of battery state of health (SOH), the current battery SOH evaluation method based on electrochemical impedance spectroscopy (EIS) first ages the battery under different working conditions to obtain single batteries with different degrees of aging; then performs EIS tests on the experimental batteries according to different states of charge (SOC) and different residual capacities; and then screens the EIS spectra, performs deconvolution operations-relaxation time distribution analysis on the screened spectra to obtain the characteristic frequencies corresponding to the kinetic processes that can reflect the health status during the entire life cycle of the battery, and establishes a battery health status evaluation model with multiple health characteristics in combination with the current remaining capacity of the battery.

[0003] However, when the battery needs to be tested, the staff needs to manually connect multiple batteries with the positive and negative electrodes connected with wires in turn. Not only is the operation cumbersome, but the battery fixed between the positive and negative electrodes may tilt or even slide from between the positive and negative electrodes during side viewing, making it impossible to test multiple batteries smoothly. Therefore, a new type of battery aging test device is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a novel battery aging test device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel battery aging test device, comprising a detection component, a first electrode component, a second electrode component, a limit component, a plurality of positioning components, a drive component, a guide component and four connecting rods, the detection component comprising a detection module and a plurality of wires, and the plurality of wires are divided into two rows, the first electrode component comprising a first circuit board and a plurality of negative electrodes, the plurality of negative electrodes are connected in the first circuit board, and the plurality of negative electrodes are connected to the plurality of wires located in the lower row, the second electrode component comprising a second circuit board and a plurality of positive electrodes, the plurality of positive electrodes are connected in the second circuit board, and the plurality of positive electrodes are connected to the plurality of positive electrodes located in the upper row, the limit component comprising a limit plate and a plurality of placement holes, the plurality of placement holes are opened in the limit plate, and the lower surface of the limit plate is connected to the first circuit board through four connecting rods The transmission mechanism is a plurality of pairs, and the plurality of pairs are connected to each other with a plurality of springs, and the plurality of pairs are connected to each other with a plurality of springs.

[0006] As a preferred implementation, the detection module and the first circuit board are connected to a same support platform.

[0007] As a preferred embodiment, the positive electrode is arranged directly above the negative electrode, and the placement hole is arranged between the positive electrode and the negative electrode.

[0008] As a preferred implementation, the positioning plate is in an arc shape, and the top of the positioning plate is in a wedge shape.

[0009] As a preferred implementation, the two positioning plates in the placement hole correspond to each other.

[0010] As a preferred implementation, the limiting plate is arranged between the threaded rod and the guide rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model is provided with a first electrode assembly, a second electrode assembly, a detection module, a positioning assembly, a limit assembly and a driving assembly, and multiple batteries are sequentially placed in multiple placement holes, and a motor is controlled, so that the batteries are positioned at positions coaxial with the placement holes, and the top and bottom ends of the multiple batteries are in contact with the positive electrode and the negative electrode respectively. The working detection module tests the aging status of the multiple batteries through the first electrode assembly and the second electrode assembly respectively, so that the multiple batteries can be quickly and accurately fixed to the positions to be detected and the detection can be carried out smoothly and synchronously, and the operation is convenient;

[0013] The utility model is provided with a guide block and a guide rod. Since the guide block is slidably connected to the outside of the guide rod, the guide rod can limit the guide block so that the guide block does not shake during movement, and the second circuit board connected to the guide block can move smoothly along the axial direction of the guide rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model in a frontal perspective;

[0015] Figure 2 It is a schematic diagram of the structure of the utility model in a side-view stereoscopic manner;

[0016] Figure 3 It is a partial rear-view stereoscopic cross-sectional structure schematic diagram of the utility model;

[0017] Figure 4 For this utility model Figure 3 Schematic diagram of the structure enlarged at point A in the middle.

[0018] In the figure: 1. support table; 2. detection component; 21. detection module; 22. wire; 3. first electrode component; 31. first circuit board; 32. negative electrode; 4. second electrode component; 41. second circuit board; 42. positive electrode; 5. limit component; 51. limit plate; 52. placement hole; 6. positioning component; 61. slide cylinder; 62. slide rod; 63. positioning plate; 64. spring; 7. drive component; 71. bearing seat; 72. motor; 73. threaded rod; 74. threaded block; 8. guide component; 81. connecting block; 82. guide rod; 83. guide block; 9. connecting rod. DETAILED DESCRIPTION

[0019] The present invention will be further described below in conjunction with the embodiments.

[0020] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0021] See also Figure 1-4 The utility model provides a novel battery aging test device, including a detection component 2, a first electrode component 3, a second electrode component 4, a limit component 5, a plurality of positioning components 6, a driving component 7, a guide component 8 and four connecting rods 9, the detection component 2 includes a detection module 21 and a plurality of wires 22, and the plurality of wires 22 are divided into two rows, the first electrode component 3 includes a first circuit board 31 and a plurality of negative electrodes 32, the plurality of negative electrodes 32 are connected in the first circuit board 31, and the plurality of negative electrodes 32 are connected to the plurality of wires 22 located in the lower row, the second electrode component 4 includes a second circuit board 41 and a plurality of positive electrodes 42, the plurality of positive electrodes 42 are connected in the second circuit board 41, and the plurality of positive electrodes 42 are connected to the plurality of positive electrodes 42 located in the upper row, the limit component 5 includes a limit plate 51 and a plurality of placement holes 52 , several placement holes 52 are opened in the limiting plate 51, the positive electrode 42 is arranged just above the negative electrode 32, the placement hole 52 is arranged between the positive electrode 42 and the negative electrode 32, the lower surface of the limiting plate 51 is connected to the first circuit board 31 through four connecting rods 9, the positioning assembly 6 includes a slide 61, a slide rod 62, a positioning plate 63 and a spring 64, the shape of the positioning plate 63 is set to be arc-shaped, the top of the positioning plate 63 is set to be wedge-shaped, the slide 61 is clamped in the limiting plate 51, the slide 61 is slidably connected with the slide rod 62, and the slide rod 62 is connected to the positioning plate 63. By setting the slide 61 and the slide rod 62, because the slide 61 is slidably connected with the slide rod 62, the slide 61 can limit the slide rod 62, so that the slide rod 62 will not shake during movement, and the positioning plate 63 connected with the slide rod 62 can move smoothly along the axial direction of the slide 61;

[0022] The two positioning plates 63 in the placement hole 52 correspond to each other. By setting the positioning plates 63, the two positioning plates 63 in the same placement hole 52 can position the battery to a position coaxial with the placement hole 52 under the action of the elastic force of the spring 64;

[0023] The spring 64 is sleeved on the outside of the slide rod 62, and the two ends of the spring 64 are respectively connected to the positioning plate 63 and the limiting plate 51. The driving assembly 7 includes a bearing seat 71, a motor 72, a threaded rod 73 and a threaded block 74. The bearing seat 71 is connected to one side of the limiting plate 51, and the threaded rod 73 is rotatably connected in the bearing seat 71. By setting the bearing seat 71, the bearing seat 71 can limit and fix the threaded rod 73 on one side of the first circuit board 31;

[0024] The bottom end of the threaded rod 73 is connected to the output shaft of the motor 72, the motor 72 is connected to the limit plate 51, the threaded block 74 is threadedly connected to the outside of the threaded rod 73, the threaded block 74 is connected to one side of the second circuit board 41, the guide assembly 8 includes a connecting block 81, a guide rod 82 and a guide block 83, the connecting block 81 is connected to the other side of the limit plate 51, the guide rod 82 is connected inside the connecting block 81, the guide block 83 is slidably connected to the outside of the guide rod 82, and the guide block 83 is connected to the other side of the second circuit board 41. By setting the connecting block 81, the connecting block 81 can connect the guide rod 82 to the first circuit board 31;

[0025] The detection module 21 and the first circuit board 31 are connected to the same support platform 1, and the limit plate 51 is arranged between the threaded rod 73 and the guide rod 82. By providing a guide block 83 and a guide rod 82, since the guide block 83 is slidably connected to the outside of the guide rod 82, the guide rod 82 can limit the guide block 83 so that the guide block 83 does not shake during movement, and the second circuit board 41 connected to the guide block 83 can move smoothly along the axial direction of the guide rod 82.

[0026] The working principle and use process of the utility model are as follows: when the device needs to be used, multiple batteries are placed in multiple placement holes 52 in turn, and the motor 72 is controlled. The working motor 72 drives the threaded rod 73 to rotate in the bearing seat 71, and the rotating threaded rod 73 drives the second circuit board 41 to move downward through the threaded block 74. The second circuit board 41 moving downward drives the guide block 83 to slide downward outside the guide rod 82, and the second circuit board 41 moving downward drives a plurality of positive electrodes 42 to contact the tops of a plurality of batteries respectively, and the second circuit board 41 moving downward drives a plurality of batteries to move downward in the placement hole 52 through a plurality of positive electrodes 42. The batteries moving downward squeeze the two positioning plates 63, and the positioning plates 63 drive the slide bar 62 to slide in the slide cylinder 61. The spring 64 contracts, and the two positioning plates 63 in the same placement hole 52 move away from each other, so that the battery is positioned at a position coaxial with the placement hole 52, and moves downward in this direction to contact the negative electrode 32. At this time, the working detection module 21 tests the aging status of a plurality of batteries through the first electrode assembly 3 and the second electrode assembly 4 respectively.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel battery aging test device, comprising a detection component (2), a first electrode component (3), a second electrode component (4), a limit component (5), a plurality of positioning components (6), a driving component (7), a guide component (8) and four connecting rods (9), characterized in that: The detection assembly (2) comprises a detection module (21) and a plurality of wires (22), and the plurality of wires (22) are divided into two rows, one above the other; the first electrode assembly (3) comprises a first circuit board (31) and a plurality of negative electrodes (32), the plurality of negative electrodes (32) are connected to the first circuit board (31), and the plurality of negative electrodes (32) are connected to the plurality of wires (22) located in the lower row; the second electrode assembly (4) comprises a second circuit board (41) and a plurality of positive electrodes (42), the plurality of positive electrodes (42) are connected to the second circuit board (41), and the plurality of positive electrodes ( 42) is connected to a plurality of positive electrodes (42) located in the upper row, the limiting assembly (5) comprises a limiting plate (51) and a plurality of placement holes (52), the plurality of placement holes (52) are arranged in the limiting plate (51), the lower surface of the limiting plate (51) is connected to the first circuit board (31) through four connecting rods (9), the positioning assembly (6) comprises a slide cylinder (61), a slide rod (62), a positioning plate (63) and a spring (64), the slide cylinder (61) is clamped in the limiting plate (51), the slide rod (62) is slidably connected in the slide cylinder (61), The slide bar (62) is connected to the positioning plate (63), the spring (64) is sleeved on the outside of the slide bar (62), the two ends of the spring (64) are respectively connected to the positioning plate (63) and the limit plate (51), the driving assembly (7) comprises a bearing seat (71), a motor (72), a threaded rod (73) and a threaded block (74), the bearing seat (71) is connected to one side of the limit plate (51), the threaded rod (73) is rotatably connected in the bearing seat (71), the bottom end of the threaded rod (73) is connected to the output shaft of the motor (72), and the motor (7 2) connected to the limiting plate (51), the threaded block (74) is threadedly connected to the outside of the threaded rod (73), the threaded block (74) is connected to one side of the second circuit board (41), the guide assembly (8) comprises a connecting block (81), a guide rod (82) and a guide block (83), the connecting block (81) is connected to the other side of the limiting plate (51), the guide rod (82) is connected inside the connecting block (81), the guide block (83) is slidably connected to the outside of the guide rod (82), and the guide block (83) is connected to the other side of the second circuit board (41).

2. A novel battery aging test device according to claim 1, characterized in that: The detection module (21) and the first circuit board (31) are connected to a same support platform (1) below.

3. A novel battery aging test device according to claim 1, characterized in that: The positive electrode (42) is arranged directly above the negative electrode (32), and the placement hole (52) is arranged between the positive electrode (42) and the negative electrode (32).

4. A novel battery aging test device according to claim 1, characterized in that: The shape of the positioning plate (63) is set to be an arc, and the top end of the positioning plate (63) is set to be a wedge shape.

5. A novel battery aging test device according to claim 1, characterized in that: The two positioning plates (63) in the placement hole (52) correspond to each other.

6. A novel battery aging test device according to claim 1, characterized in that: The limiting plate (51) is arranged between the threaded rod (73) and the guide rod (82).

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