A lithium battery aging test device

Abstract

The utility model discloses a kind of lithium battery aging test devices, it is related to lithium battery technical field, including test mechanism, the inside of test mechanism is provided with adaptation mechanism for fixing the lithium battery of different specification size, including in adaptation mechanism: clamping unit and drive unit, clamping unit is arranged in the inside of test mechanism, including mounting plate, the inside of mounting plate is equipped with cross slide groove, and the inside of cross slide groove is slidably installed with two cross sliders, and the fixed mounting of cross slider has clamping block, two the clamping block is symmetrically installed, by cross slider opposite and reverse sliding drive clamping block synchronous movement, it is realized to the clamping and fixing of different specification size lithium battery, by being provided with clamping unit, the cross slide groove and slider design in clamping unit, make two symmetric clamping block can be synchronous opposite / countermove, realize the stepless adjustment and steady clamping of different length-width size lithium battery.

Description

Technical Field

[0001] This utility model relates to the field of lithium battery technology, specifically to a lithium battery aging test device. Background Technology

[0002] In modern society, all kinds of high-tech products used by people cannot do without electricity. The transportation and storage of electricity are usually achieved through cables or lithium batteries. However, during long-term use, lithium batteries will usually experience aging of internal components due to voltage input and output.

[0003] According to the patent titled "A Lithium Battery Aging Test Device" (patent publication number: CN117074983A, patent publication date: 2023-11-17), the device utilizes a hydraulic rod, a fixed plate, a top cover, and a gear structure. A clamping plate holds the main body in the event of a lithium battery burning or exploding during testing. The controller activates motor two, causing slider three to move, which in turn moves the support plate two. This prevents the main body from being lifted as the support plate slides along the inner wall of the groove two. Simultaneously, the controller controls an air pump to pressurize the hydraulic rod, raising the sandbox. At this time, motor one drives the gears to rotate, causing the top cover to slide along the top of the sandbox, allowing the lithium battery to fall into it. The repeated alternating extension and retraction of the hydraulic rod's output shaft, combined with the sealing effect of the top cover, ensures that the fire-fighting sand inside the sandbox covers the lithium battery. This ensures timely fire extinguishing and protection in case of an accident during testing, improving the safety of the test device.

[0004] Based on the aforementioned existing technology, current lithium battery aging test devices still have the following problems: traditional aging test equipment is usually equipped with clamps or brackets of fixed size, which can only accommodate lithium batteries of a specific size. When it is necessary to test batteries of different specifications, the entire clamp and test tray must be replaced. Therefore, this utility model provides a lithium battery aging test device. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides a lithium battery aging test device, which solves the following problems of existing lithium battery aging test devices: Traditional aging test equipment is usually equipped with clamps or brackets of fixed size, which can only accommodate lithium batteries of a specific size. When it is necessary to test batteries of different specifications, the entire clamp and test tray must be replaced.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a lithium battery aging test device, comprising a test mechanism, wherein an adapter mechanism is provided inside the test mechanism for fixing lithium batteries of different specifications and sizes, the adapter mechanism comprising:

[0007] The clamping unit is located inside the testing mechanism and includes a mounting plate. The mounting plate has a cross groove inside, and two cross sliders are slidably installed inside the cross groove. Clamping blocks are fixedly installed on the cross sliders. The two clamping blocks are symmetrically installed. The clamping blocks are driven to move synchronously by the cross sliders sliding in opposite directions to clamp and fix lithium batteries of different sizes. The vertical positioning component is used to fix the vertical position of the lithium batteries.

[0008] A drive unit is located below the clamping unit and is used to drive the clamping unit.

[0009] Preferably, a rubber pad is fixedly installed on the inner side of the clamping block to prevent the clamping block from causing wear on the surface of the lithium battery.

[0010] Preferably, the testing mechanism includes a testing box, and a mounting plate is fixedly installed inside the testing box. A detector is fixedly installed on the front side of the testing box. A first detection clip and a second detection clip are fixedly installed inside the testing box, and one end of the first detection clip and the second detection clip is fixedly connected to the detector. A top cover is fixedly installed on the top of the testing box, and an exhaust hole is opened inside the top cover.

[0011] Preferably, a mounting base is fixedly installed on the right side of the test chamber, and a hot air blower is fixedly installed on the top of the mounting base. An air outlet box is fixedly installed on the right side of the inner cavity of the test chamber, and the output pipe of the hot air blower passes through the test chamber and is fixedly connected to the air outlet box. A temperature sensor is fixedly installed on the rear side of the inner cavity of the test chamber.

[0012] Preferably, the drive unit includes a rotating shaft rotatably mounted at the bottom of the inner cavity of the test chamber. A rotating rod is fixedly mounted on the surface of the rotating shaft, and a linkage rod is fixedly mounted on one end of each rotating rod. One end of the linkage rod is rotatably connected to a cross slider. A worm gear is fixedly mounted on the surface of the rotating shaft. A motor is fixedly mounted on the left side of the test chamber, and a worm is fixedly mounted on the output end of the motor. The worm is located inside the test chamber. A bearing seat is fixedly mounted at the bottom of the inner cavity of the test chamber, and one end of the worm rotates inside the bearing seat. The worm meshes with the worm wheel.

[0013] Preferably, the vertical positioning assembly includes two rotating rods rotatably installed inside the test chamber, and the rotating rods have rectangular grooves inside. A lead screw knob is rotatably installed at one end of the rotating rod, and the lead screw knob rotates inside the rectangular groove. A pressure plate is slidably installed inside the rectangular groove, and the pressure plate is threadedly rotatably installed on the surface of the lead screw knob.

[0014] This invention provides a lithium battery aging test device. Compared with the prior art, it has the following advantages:

[0015] 1. This lithium battery aging test device, by setting up a clamping unit, the cross groove and slider design in the clamping unit enables two symmetrical clamping blocks to move synchronously in opposite directions, realizing stepless adjustment and stable clamping of lithium batteries of different length and width.

[0016] 2. The lithium battery aging test device has an added rubber pad on the inside of the clamping block to avoid the risk of battery surface wear or short circuit caused by hard contact. The hot air blower delivers hot air evenly into the chamber through the air outlet box to simulate the aging environment. Attached Figure Description

[0017] Figure 1 This is a right-side perspective view of the structure of this utility model;

[0018] Figure 2 This is a three-dimensional structural diagram of the present invention.

[0019] Figure 3 This is a cross-sectional bottom view of the three-dimensional structure of this utility model;

[0020] Figure 4 This is a cross-sectional top view of the three-dimensional structure of this utility model.

[0021] In the diagram: 1-Testing mechanism, 11-Test box, 12-Detector, 13-First detection clamp, 14-Second detection clamp, 15-Top cover, 16-Exhaust port, 17-Fixed seat, 18-Hot air blower, 19-Air outlet box, 110-Temperature sensor, 2-Adaptor mechanism, 21-Clamping unit, 211-Mounting plate, 212-Cross slide groove, 213-Cross slider, 214-Clamping block, 215-Rubber pad, 22-Drive unit, 221-Rotating shaft, 222-Rotating rod, 223-Linkage rod, 224-Worm gear, 225-Motor, 226-Bearing seat, 227-Worm, 3-Vertical positioning assembly, 31-Rotating rod, 32-Rectangular groove, 33-Screw knob, 34-Pressure plate. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-4 This utility model provides a technical solution:

[0024] A lithium battery aging test device includes a test mechanism 1, and an adapter mechanism 2 is provided inside the test mechanism 1 for fixing lithium batteries of different specifications and sizes. The adapter mechanism 2 includes:

[0025] The clamping unit 21 is located inside the testing mechanism 1 and includes a mounting plate 211. The mounting plate 211 has a cross slide groove 212 inside, and two cross sliders 213 are slidably installed inside the cross slide groove 212. Clamping blocks 214 are fixedly installed on the cross sliders 213. The two clamping blocks 214 are symmetrically installed. The clamping blocks 214 are moved synchronously by the cross sliders 213 sliding towards and away from each other to clamp and fix lithium batteries of different sizes. The vertical positioning component 3 is used to fix the vertical position of the lithium battery.

[0026] The drive unit 22 is located below the clamping unit 21 and is used to drive the clamping unit 21.

[0027] The cross-shaped sliding groove structure allows the two clamping blocks 214 to move synchronously in both directions, covering lithium batteries of different lengths and widths without the need to change clamps. The drive unit 22 automatically adjusts the clamping distance, significantly improving testing efficiency.

[0028] In this embodiment, a rubber pad 215 is fixedly installed on the inner side of the clamping block 214 to prevent the clamping block 214 from causing wear on the surface of the lithium battery.

[0029] A rubber pad 215 is fixed inside the clamping block 214 to provide a flexible contact surface, avoiding scratches or deformation of the lithium battery casing caused by rigid clamping, and reducing the risk of short circuits or leakage caused by mechanical damage during testing.

[0030] In this embodiment, the testing mechanism 1 includes a testing box 11, and a mounting plate 211 is fixedly installed inside the testing box 11. A detector 12 is fixedly installed on the front side of the testing box 11. A first detection clip 13 and a second detection clip 14 are fixedly installed inside the testing box 11, and one end of the first detection clip 13 and the second detection clip 14 is fixedly connected to the detector 12. A top cover 15 is fixedly installed on the top of the testing box 11, and an exhaust hole 16 is opened inside the top cover 15.

[0031] In this embodiment, a fixing seat 17 is fixedly installed on the right side of the test chamber 11, and a hot air blower 18 is fixedly installed on the top of the fixing seat 17. An air outlet box 19 is fixedly installed on the right side of the inner cavity of the test chamber 11, and the output pipe of the hot air blower 18 passes through the test chamber 11 and is fixedly connected to the air outlet box 19. A temperature sensor 110 is fixedly installed on the rear side of the inner cavity of the test chamber 11.

[0032] The temperature sensor 110 is model DS18B20, and the hot air blower 18 is model HAM-G15A-32. They are electrically connected to an external power supply and are turned on and off via a human-operated control panel. The hot air blower 18 delivers hot air into the chamber through the air outlet box 19. The temperature sensor 110 monitors the temperature and provides real-time data feedback to dynamically adjust the operation of the hot air blower 18, maintain a constant temperature environment, and improve the reliability of the aging test.

[0033] In this embodiment, the drive unit 22 includes a rotating shaft 221 rotatably mounted at the bottom of the inner cavity of the test chamber 11. A rotating rod 222 is fixedly mounted on the surface of the rotating shaft 221, and a linkage rod 223 is fixedly mounted on one end of the rotating rod 222. One end of the linkage rod 223 is rotatably connected to the cross slider 213. A worm gear 224 is fixedly mounted on the surface of the rotating shaft 221. A motor 225 is fixedly mounted on the left side of the test chamber 11, and a worm 227 is fixedly mounted on the output end of the motor 225. The worm 227 is located inside the test chamber 11. A bearing seat 226 is fixedly mounted at the bottom of the inner cavity of the test chamber 11, and one end of the worm 227 rotates inside the bearing seat 226. The worm 227 is meshed with the worm gear 224.

[0034] The 225 motor, model OMV800, is electrically connected to an external power source and is operated by a human-controlled control panel.

[0035] In this embodiment, the vertical positioning component 3 includes two rotating rods 31 rotatably installed inside the test box 11. A rectangular groove 32 is provided inside the rotating rod 31. A lead screw knob 33 is rotatably installed at one end of the rotating rod 31. The lead screw knob 33 rotates inside the rectangular groove 32. A pressure plate 34 is slidably installed inside the rectangular groove 32. The pressure plate 34 is threadedly rotatably installed on the surface of the lead screw knob 33.

[0036] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0037] During operation, first, the top cover 15 is opened, and the lithium battery is placed inside the test chamber 11. The motor 225 runs and drives the worm gear 227 to rotate. The worm gear 227 drives the worm wheel 224 to rotate. The worm wheel 224 drives the rotating shaft 221 to rotate. The rotating shaft 221 drives the rotating rod 222 to rotate. The rotating rod 222 pulls the two cross sliders 213 to move synchronously in opposite directions through two linkage rods 223. The cross sliders 213 drive the clamping block 214 to move and clamp the lithium battery.

[0038] Next, rotate the rotating rod 31 to the vertical position, and rotate the screw knob 33 to move the pressure plate 34 so that the pressure plate 34 clamps and fixes the lithium battery.

[0039] Then, the first detection clip 13 and the second detection clip 14 are clamped onto the positive and negative terminals of the lithium battery, respectively. Then, the top cover 15 is closed, the hot air blower 18 is run to output hot air, and the hot air enters the interior of the test chamber 11 through the pipe and the air outlet box 19. The internal temperature of the test chamber 11 is detected by the temperature sensor 110, the operation of the hot air blower 18 is controlled, the internal temperature of the test chamber 11 is controlled, and the aging degree of the lithium battery is detected by the detector 12.

[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A lithium battery aging test device, comprising a test mechanism (1), characterized in that: The testing mechanism (1) is internally equipped with an adapter mechanism (2) for fixing lithium batteries of different sizes and specifications. The adapter mechanism (2) includes: The clamping unit (21) is located inside the testing mechanism (1) and includes a mounting plate (211). The mounting plate (211) has a cross slide groove (212) inside, and two cross sliders (213) are slidably installed inside the cross slide groove (212). The cross sliders (213) are fixedly installed with clamping blocks (214). The two clamping blocks (214) are symmetrically installed. The clamping blocks (214) are moved synchronously by the cross sliders (213) sliding towards and away from each other to clamp and fix lithium batteries of different sizes. The vertical positioning component (3) is used to fix the vertical position of the lithium battery. A drive unit (22) is disposed below the clamping unit (21) and is used to drive the clamping unit (21).

2. The lithium battery aging test device according to claim 1, characterized in that: A rubber pad (215) is fixedly installed on the inner side of the clamping block (214) to prevent the clamping block (214) from causing wear on the surface of the lithium battery.

3. The lithium battery aging test device according to claim 1, characterized in that: The testing mechanism (1) includes a test box (11), and a mounting plate (211) is fixedly installed inside the test box (11). A detector (12) is fixedly installed on the front side of the test box (11). A first detection clip (13) and a second detection clip (14) are fixedly installed inside the test box (11), and one end of the first detection clip (13) and the second detection clip (14) is fixedly connected to the detector (12). A top cover (15) is fixedly installed on the top of the test box (11), and an exhaust hole (16) is opened inside the top cover (15).

4. The lithium battery aging test device according to claim 3, characterized in that: A fixed base (17) is fixedly installed on the right side of the test box (11), and a hot air blower (18) is fixedly installed on the top of the fixed base (17). An air outlet box (19) is fixedly installed on the right side of the inner cavity of the test box (11), and the output pipe of the hot air blower (18) passes through the test box (11) and is fixedly connected to the air outlet box (19). A temperature sensor (110) is fixedly installed on the rear side of the inner cavity of the test box (11).

5. The lithium battery aging test device according to claim 3, characterized in that: The drive unit (22) includes a rotating shaft (221) rotatably mounted at the bottom of the inner cavity of the test chamber (11). A rotating rod (222) is fixedly mounted on the surface of the rotating shaft (221), and a linkage rod (223) is fixedly mounted on one end of the rotating rod (222). One end of the linkage rod (223) is rotatably connected to the cross slider (213). A worm gear (224) is fixedly mounted on the surface of the rotating shaft (221). A motor (225) is fixedly mounted on the left side of the test chamber (11), and a worm (227) is fixedly mounted on the output end of the motor (225). The worm (227) is located inside the test chamber (11). A bearing seat (226) is fixedly mounted at the bottom of the inner cavity of the test chamber (11), and one end of the worm (227) rotates inside the bearing seat (226). The worm (227) meshes with the worm gear (224).

6. The lithium battery aging test device according to claim 1, characterized in that: The vertical positioning component (3) includes two rotating rods (31) rotatably installed inside the test box (11), and a rectangular groove (32) is provided inside the rotating rod (31). A lead screw knob (33) is rotatably installed at one end of the rotating rod (31), and the lead screw knob (33) rotates inside the rectangular groove (32). A pressure plate (34) is slidably installed inside the rectangular groove (32), and the pressure plate (34) is threadedly rotatably installed on the surface of the lead screw knob (33).

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