Lithium battery testing device
By coordinating the support and drive mechanisms, stable clamping of lithium batteries and impact testing of heavy objects are achieved, solving the safety issues caused by steel column displacement in existing devices and improving the safety and stability of the test.
Patent Information
- Application Number
- CN202520046606.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Existing lithium battery testing equipment suffers from insufficient safety due to the placement of steel columns during heavy object impact tests.
A support mechanism is used to clamp and fix the lithium battery, and a drive mechanism is used to lift the counterweight to a certain height and then release it, so that it impacts the steel column under gravity, thus realizing the heavy impact test of the lithium battery.
This improves the safety of lithium battery testing, prevents the steel column from shifting during the test, and ensures the stability and safety of the testing process.
Smart Images
Figure CN223856935U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lithium battery test technical field especially relates to a lithium battery testing arrangement. BACKGROUND
[0002] Lithium battery is a kind of by lithium metal or lithium alloy as positive / negative electrode material, using non-aqueous electrolyte solution battery.Lithium battery respectively uses two compounds that can reversibly insert, de-insert lithium ion as positive and negative electrode constitutes secondary battery, i.e.
[0003] In the lithium battery test process needs to carry out heavy impact test, the existing test mode is to place a steel column right above lithium battery, utilizes the heavy weight of free fall and hits steel column, in turn, impact battery, record the voltage, temperature and appearance data of battery in the process of testing, in the process of testing, applicant finds that steel column is affected by the placement position, after being impacted, there is the risk of falling, and the safety of test is insufficient, for this purpose, we propose a kind of lithium battery testing arrangement. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides a lithium battery testing arrangement.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A lithium battery testing arrangement, including support mechanism, the top of support mechanism is installed with support frame and the battery to be tested, the battery to be tested is clamped in the top of support mechanism, the top of support frame is installed with driving mechanism, the driving mechanism is inserted into the inside of support frame and is connected with test mechanism, the test mechanism is used for heavy impact test to the battery to be tested.
[0007] Preferably, the support mechanism includes a support seat, a first motor is installed on the side of the support seat, the output shaft of the first motor is inserted into the inside of the support seat and is connected with a lead screw, the lead screw is connected with a first threaded sleeve at both ends through threads, the first threaded sleeve is fixed with a first sliding block on the top of the first sliding block, the first sliding block is fixed with a clamping plate.
[0008] Preferably, the threads of both ends of the lead screw are opposite in rotation direction, the first sliding block is slidably connected with the support seat, and the test mechanism is installed on the top of the support seat.
[0009] Preferably, the testing mechanism comprises threaded columns rotatably arranged at two ends of the top of the support base, a first movable plate and a second movable plate are slidably connected on the threaded columns, a steel column is arranged on the first movable plate, a counterweight is arranged on the bottom of the second movable plate, a permanent magnet is arranged on the top of the second movable plate, a second threaded sleeve is threadedly connected on each of the threaded columns, a third movable plate is arranged on the two second threaded sleeves, an electromagnet is arranged on the third movable plate, and the driving mechanism is connected with the threaded columns.
[0010] Preferably, the driving mechanism comprises a housing fixed on the support frame, a second motor is arranged on the side of the housing, an output shaft of the second motor is inserted into the inside of the housing and connected with a rotating shaft, first bevel gears are fixedly sleeved on two ends of the rotating shaft, connecting shafts are rotatably connected at two ends of the bottom of the housing, and second bevel gears are fixedly sleeved on the top of the connecting shafts.
[0011] Preferably, the connecting shafts are rotatably connected with the support frame, the first bevel gears are in meshing transmission with the second bevel gears, and the connecting shafts are connected with the threaded columns through shaft couplings.
[0012] Compared with the prior art, the testing device has the beneficial effects that:
[0013] The testing device has the beneficial effects that: the lithium battery to be tested is clamped and fixed by the support mechanism, the steel column arranged on the first movable plate is close to the top of the lithium battery to be tested, the counterweight is lifted to a certain height by the driving mechanism cooperating with the testing mechanism, and then the counterweight is released, under the action of gravity, the counterweight impacts the steel column, the steel column is used for heavy impact testing on the lithium battery to be tested, the device has a simple structure, the steel column will not deviate during the testing process, and the safety of the testing is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 A structure schematic view of the testing device is provided for the testing device.
[0015] Figure 2 A Figure 1 A mounting schematic view of the support mechanism is provided.
[0016] Figure 3 A Figure 1 A sectional view of the driving mechanism is provided.
[0017] In the figure: 1 support mechanism, 11 support seat, 12 first motor, 13 screw rod, 14 first threaded sleeve, 15 first sliding block, 16 clamping plate, 2 support frame, 3 test mechanism, 31 threaded column, 32 first movable plate, 33 steel column, 34 second movable plate, 35 counterweight, 36 permanent magnet, 37 second threaded sleeve, 38 third movable plate, 39 electromagnet, 4 driving mechanism, 41 shell, 42 second motor, 43 rotating shaft, 44 first bevel gear, 45 connecting shaft, 46 second bevel gear, 5 lithium battery to be tested. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0019] Reference Figures 1-3 A lithium battery testing device, comprising a support mechanism 1, a support frame 2 and a battery to be tested 5 are installed on the top of the support mechanism 1, the battery to be tested 5 is clamped on the top of the support mechanism 1, a driving mechanism 4 is installed on the top of the support frame 2, the driving mechanism 4 is inserted into the inside of the support frame 2 and connected with a test mechanism 3, the test mechanism 3 is used for heavy impact test on the battery to be tested 5.
[0020] As an implementation form, the supporting mechanism 1 comprises a supporting base 11, a first motor 12 is installed on the side of the supporting base 11, the output shaft of the first motor 12 is inserted into the inside of the supporting base 11 and is connected with a lead screw 13, the two ends of the lead screw 13 are both connected with a first threaded sleeve 14 through threads, the first threaded sleeve 14 is fixed with a first sliding block 15, the top of the first sliding block 15 is fixed with a clamping plate 16, the rotation directions of the threads of the two ends of the lead screw 13 are opposite, the first sliding block 15 is in sliding connection with the supporting base 11, a testing mechanism 3 is installed on the top of the supporting base 11, the testing mechanism 3 comprises threaded columns 31 which are rotatably installed on the top of the supporting base 11 at both ends, the threaded columns 31 are slidably connected with a first movable plate 32 and a second movable plate 34, a steel column 33 is installed on the first movable plate 32, a counterweight 35 is installed on the bottom of the second movable plate 34, a permanent magnet 36 is installed on the top of the second movable plate 34, a second threaded sleeve 37 is connected with both threaded columns 31 through threads, a third movable plate 38 is installed on both second threaded sleeves 37, an electromagnet 39 is installed on the third movable plate 38, a driving mechanism 4 is connected with the threaded columns 31, the driving mechanism 4 comprises a shell 41 which is fixed on the supporting frame 2, a second motor 42 is installed on the side of the shell 41, the output shaft of the second motor 42 is inserted into the inside of the shell 41 and is connected with a rotating shaft 43, a first bevel gear 44 is sleeved and fixed on both ends of the rotating shaft 43, a connecting shaft 45 is rotatably connected with both ends of the bottom of the shell 41, a second bevel gear 46 is sleeved and fixed on the top of the connecting shaft 45, the connecting shaft 45 is in rotary connection with the supporting frame 2, the first bevel gear 44 is in meshing transmission with the second bevel gear 46, the connecting shaft 45 is connected with the threaded columns 31 through a shaft coupling, the lithium battery to be tested is clamped and fixed by the supporting mechanism, the steel column installed on the first movable plate is close to the top of the lithium battery to be tested, then the counterweight is lifted to a certain height by the driving mechanism cooperating with the testing mechanism, the counterweight is released, under the action of gravity, the counterweight hits the steel column, the steel column is used for heavy impact test on the lithium battery to be tested, the device has simple structure, the steel column will not deviate during the test, and the safety of the test is improved.
[0021] In use, the device is connected to a power source, the battery 5 to be tested is placed between the two clamping plates 16, then the first motor 12 is started, the output shaft of the first motor 12 drives the screw rod 13 to rotate, the screw rod 13 drives the first sliding block 15 to slide in the support seat 11 through threaded transmission with the first threaded sleeve 14, since the rotation directions of the threads at the two ends of the screw rod 13 are opposite, the two first sliding blocks 15 move in opposite directions, the first sliding blocks 15 drive the clamping plates 16 to move close to each other, clamping and fixing the battery 5 to be tested, the voltage and temperature of the battery 5 to be tested are monitored by a computer, the steel column 33 is in contact with the top of the battery 5 to be tested under the action of its own gravity, the electromagnet 39 generates a magnetic force when powered, the electromagnet 39 attracts the permanent magnet 36, the second motor 42 is started, the output shaft of the second motor 42 drives the rotating shaft 43 to rotate, the rotating shaft 43 drives the first bevel gear 44 to rotate, the first bevel gear 44 drives the connecting shaft 45 to rotate through meshing transmission with the second bevel gear 46, the connecting shaft 45 drives the threaded column 31 to rotate, the threaded column 31 drives the third movable plate 38 upward through threaded transmission with the second threaded sleeve 37, the third movable plate 38 drives the permanent magnet 36 upward through the electromagnet 39, the permanent magnet 36 drives the second movable plate 34 and the counterweight 35 upward, the counterweight 35 is lifted to a certain height, then the electromagnet 39 is powered off and loses the magnetic force, under the action of its own gravity, the counterweight 35, the second movable plate 34 and the permanent magnet 36 impact the steel column 33 along the axial direction of the threaded column 31, so that the steel column 33 completes the impact test on the lithium battery 5 to be tested, and the voltage, temperature and appearance data of the lithium battery 5 to be tested at this time are detected.
[0022] In summary, compared with the prior art, the device of the utility model clamps and fixes the lithium battery to be tested through the support mechanism, the steel column installed on the first movable plate is close to the top of the lithium battery to be tested, the counterweight is lifted to a certain height through the driving mechanism and the testing mechanism, then the counterweight is released, under the action of gravity, the counterweight impacts the steel column, the steel column is used for heavy impact test on the lithium battery to be tested, the device has a simple structure, the steel column will not deviate during the test, and the safety of the test is improved.
[0023] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. A lithium battery testing device comprising a support mechanism (1), characterized in that, The top of the support mechanism (1) is provided with a support frame (2) and a battery to be tested (5), the battery to be tested (5) is clamped on the top of the support mechanism (1), the top of the support frame (2) is provided with a driving mechanism (4), the driving mechanism (4) is inserted into the inside of the support frame (2) and is connected with a testing mechanism (3), the testing mechanism (3) is used for heavy impact test of the battery to be tested (5), the testing mechanism (3) comprises two threaded columns (31) rotatably installed at both ends of the top of a support base (11), a first movable plate (32) and a second movable plate (34) are slidably connected on the threaded columns (31), a steel column (33) is installed on the first movable plate (32), a counterweight (35) is installed on the bottom of the second movable plate (34), a permanent magnet (36) is installed on the top of the second movable plate (34), a second threaded sleeve (37) is threadedly connected on both threaded columns (31), a third movable plate (38) is installed on both second threaded sleeves (37), an electromagnet (39) is installed on the third movable plate (38), and the driving mechanism (4) is connected with the threaded columns (31).
2. The lithium battery testing device of claim 1, wherein, The support mechanism (1) comprises a support base (11), a first motor (12) is installed on the side surface of the support base (11), the output shaft of the first motor (12) is inserted into the inside of the support base (11) and is connected with a lead screw (13), the lead screw (13) is threadedly connected with a first threaded sleeve (14) at both ends, a first sliding block (15) is fixed on the first threaded sleeve (14), and a clamping plate (16) is fixed on the top of the first sliding block (15).
3. A lithium battery testing device according to claim 2, wherein, The rotation directions of the threads at both ends of the lead screw (13) are opposite, the first sliding block (15) is in sliding connection with the support base (11), and the testing mechanism (3) is installed on the top of the support base (11).
4. The lithium battery testing device of claim 1, wherein, The driving mechanism (4) comprises a housing (41) fixed on the support frame (2), a second motor (42) is installed on the side surface of the housing (41), the output shaft of the second motor (42) is inserted into the inside of the housing (41) and is connected with a rotating shaft (43), first bevel gears (44) are fixedly sleeved on both ends of the rotating shaft (43), connecting shafts (45) are rotatably connected at both ends of the bottom of the housing (41), and second bevel gears (46) are fixedly sleeved on the top of the connecting shafts (45).
5. A lithium battery testing device according to claim 4, wherein, The connecting shafts (45) are in rotary connection with the support frame (2), the first bevel gears (44) and the second bevel gears (46) are in meshing transmission, and the connecting shafts (45) are connected with the threaded columns (31) through couplings.